diff --git a/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix b/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix
index 3a5cf163e57e..dc2a8eb631b1 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix
@@ -1093,7 +1093,7 @@ let
         enotify = ignoreCompilationError super.enotify; # elisp error
 
         # https://github.com/leathekd/ercn/issues/6
-        ercn = addPackageRequires super.ercn [ self.dash ];
+        ercn = addPackageRequiresIfOlder super.ercn [ self.dash ] "20250317.2338";
 
         # missing optional dependencies
         eval-in-repl = addPackageRequires super.eval-in-repl (